Allen-Bradley | 1734-IA4 | POINT I/O

Product Description: Allen-Bradley 1734-IA4

The Allen-Bradley 1734-IA4 is a 4-channel AC digital input module from the POINT I/O series, designed to detect the presence or absence of 120V AC signals in distributed control applications. It offers reliable AC signal interfacing in a compact, modular format, allowing flexible and scalable I/O expansion for Logix-based automation systems.

Key Features

• 4 individually isolated AC input channels
• Designed for 120V AC signal detection
• Compact and modular design for efficient panel use
• Status indicators for each channel
• Compatible with POINT I/O network adapters

Technical Specifications

• Channels: 4
• Input Type: 120V AC (nominal), 47–63 Hz
• On-State Voltage: 79–132V AC
• Off-State Voltage: 0–20V AC
• Input Delay: 8 ms (typical)
• Isolation Voltage: 250V continuous (field to system)
• Backplane Current Load: 75 mA at 5V DC
• Operating Temperature: -20 to 55°C
• Mounting: DIN Rail
• Terminal Base Required: 1734-TB or 1734-TBS

Application Areas

• Industrial equipment with AC sensor inputs
• Building management systems
• Motor and pump monitoring
• Packaging machinery
• Factory floor automation

Advantages

• Reliable AC signal acquisition for distributed control
• Saves space with a compact design
• Simple installation and maintenance with removable terminals
• Seamless integration with EtherNet/IP via POINT I/O adapters
• Ideal for decentralized I/O solutions in harsh environments